Zool. [a. L. trītor a rubber, grinder, f. terĕre, trīt- to rub, grind.] A specially hard and white ridge or prominence on the teeth of some fishes, as those of the genus Chimæra.
1889. Nicholson & Lydekker, Palæont., xlviii. 950. One or more triturating ridges, or prominences, differing in appearance from the rest of the tooth, which may be conveniently termed tritors.
1897. Parker & Haswell, Zool., II. 178. Each … tooth has its surface slightly raised into a rounded elevation…, known as a tritor.
